George C. Scott
Dr. Archie Bollen
Julie Christie
Petulia Danner
Ellen Geer
Nun
Austin Pendleton
Intern (uncredited)
Joseph Cotten
Mr. Danner
Roger Bowen
Warren
René Auberjonois
Fred Six (uncredited)
Ruth Kobart
Nun
Peter Bonerz
Self (uncredited)
Richard Dysart
Motel Receptionist
Shirley Knight
Polo
Richard Chamberlain
Dave Danner
Pippa Scott
May
Howard Hesseman
Hippie (uncredited)
Arthur Hill
Barney
Barbara Bosson
Self (uncredited)
Mel Stewart
Supermarket Clerk (uncredited)
Richard Stahl
Self (uncredited)
Kathleen Widdoes
Wilma